Author: mav
Date: Wed Oct 12 08:25:13 2016
New Revision: 307132
URL: https://svnweb.freebsd.org/changeset/base/307132
Log:
Use copyout() instead of pointing sbuf to user-space buffer.
MFC after: 2 weeks
Modified:
head/sys/cam/scsi/scsi_enc_ses.c
Modified: head/sys/cam/scsi/scsi_enc_ses.c
==============================================================================
--- head/sys/cam/scsi/scsi_enc_ses.c Wed Oct 12 07:08:32 2016
(r307131)
+++ head/sys/cam/scsi/scsi_enc_ses.c Wed Oct 12 08:25:13 2016
(r307132)
@@ -2672,13 +2672,13 @@ ses_get_elm_devnames(enc_softc_t *enc, e
if (len < 0)
return (EINVAL);
- sbuf_new(&sb, elmdn->elm_devnames, len, 0);
-
cam_periph_unlock(enc->periph);
+ sbuf_new(&sb, NULL, len, SBUF_FIXEDLEN);
ses_paths_iter(enc, &enc->enc_cache.elm_map[elmdn->elm_idx],
ses_elmdevname_callback, &sb);
sbuf_finish(&sb);
elmdn->elm_names_len = sbuf_len(&sb);
+ copyout(sbuf_data(&sb), elmdn->elm_devnames, elmdn->elm_names_len + 1);
cam_periph_lock(enc->periph);
return (elmdn->elm_names_len > 0 ? 0 : ENODEV);
}
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